Respiratory units: intermittent positive pressure respiration: tracheostomy.
D006801:Humans; D008171:Lung Diseases / Q000628:therapy; D010243:Paralysis / Q000628:therapy; D011175:Positive-Pressure Respiration; D013898:Thoracic Injuries / Q000628:therapy; D014140:Tracheotomy; D012122:Ventilators, Mechanical